Oxygen self rescuer



FIG. 1 is front perspective view of an oxygen self rescuer in accordancewith the design;

FIG. 2 is a top view of the oxygen self rescuer of FIG. 1;

FIG. 3 is a bottom view of the oxygen self rescuer of FIG. 1;

FIG. 4 is a right side view of the oxygen self rescuer of FIG. 1; and,

FIG. 5 is a left side view of the oxygen self rescuer of FIG. 1.

The broken lines in the figure views are included for the purpose ofillustrating portions of the oxygen rescuer that form no part of theclaimed design.

The ornamental design for an oxygen self rescuer, as shown anddescribed.